(1) Nothing in this chapter shall preclude a component of the state trails system from becoming a part of the national trails system.
(2) The commissioner shall coordinate the state trails system with the national trails system and is directed to encourage and assist any federal studies for inclusion of Tennessee trails in the national trails system.
(3) The commissioner may enter into written cooperative agreements for joint federal-state administration of a Tennessee component of the national trails system; provided, that such agreements for administration of land uses are not less restrictive than those set forth in this chapter.